There are 13 6-letter words that start with 'woo'.
| wooded | wooden | woodie | woodsy | wooers | 
| woofed | woofer | wooing | wooled | woolen | 
| wooler | woolie | woolly | ||
Note: These 13 6-letter words that start with 'woo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with wood, wool, woof, wooz, woos, woop, woor, wooe, wooi, woom.
4-letter words start with 'woo' (4)